src/glut/dos/color.c

   1 /*
   2  * DOS/DJGPP Mesa Utility Toolkit
   3  * Version:  1.0
   4  *
   5  * Copyright (C) 2005  Daniel Borca   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * DANIEL BORCA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  21  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #include "internal.h"
  27
  28
  29 #define CLAMP(i) ((i) > 1.0F ? 1.0F : ((i) < 0.0F ? 0.0F : (i)))
  30
  31
  32 void APIENTRY
  33 glutSetColor (int ndx, GLfloat red, GLfloat green, GLfloat blue)
  34 {
  35    if (_glut_default.mode & GLUT_INDEX) {
  36       if ((ndx >= 0) && (ndx < (256 - RESERVED_COLORS))) {
  37          DMesaSetCI(ndx, CLAMP(red), CLAMP(green), CLAMP(blue));
  38       }
  39    }
  40 }
  41
  42
  43 GLfloat APIENTRY
  44 glutGetColor (int ndx, int component)
  45 {
  46    return 0.0;
  47 }
  48
  49
  50 void APIENTRY
  51 glutCopyColormap (int win)
  52 {
  53 }